CVE-2025-30466

This issue was addressed through improved state management

Critical · published May 29, 2025

CVSS v3.1
9.8
EPSS
0%
Percentile
21.8
In the wild
Unconfirmed
What it is

🔥 A rogue website might just stroll past the Same Origin Policy thanks to this flaw! Think of the Same Origin Policy as a bouncer at a party who only lets in guests with the right invitation. This vulnerability is like someone sneaking in through the back door — they can access sensitive data from other domains without permission! If exploited, an attacker could access and manipulate data across different sites, leading to serious privacy breaches and unauthorized actions. This could result in catastrophic data leaks or even full account takeovers, making it an urgent threat that users need to address immediately.

Put simply

Think of the Same Origin Policy as a bouncer at a party who only lets in guests with the right invitation. This vulnerability is like someone sneaking in through the back door — they can access sensitive data from other domains without permission! This vulnerability allows websites to bypass the Same Origin Policy due to improved state management issues. This flaw can potentially expose users to cross-origin attacks where sensitive information can be accessed from unauthorized domains.

What to do

If exploited, an attacker could access and manipulate data across different sites, leading to serious privacy breaches and unauthorized actions. This could result in catastrophic data leaks or even full account takeovers, making it an urgent threat that users need to address immediately. Update to Safari 18.4, iOS 18.4, iPadOS 18.4, macOS Sequoia 15.4, or visionOS 2.4 to close this critical vulnerability. Regularly audit your applications for similar weak points to reinforce your defenses against future threats. You've got this! Follow these steps, and you'll be a security hero in no time! 🦸

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00303 · 21.8th percentile
Published
2025-05-29T21:34Z
EPSS history
Timeline
  • 29 MAY 21:34Z
    This issue was addressed through improved state management
    cvelistv5